15-16 国家营业铁路基本情况 |
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项 目 |
1985 |
1990 |
1995 |
2000 |
2005 |
2007 |
2008 |
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营业里程
(公里) |
52119 |
53378 |
54616 |
58656 |
62200 |
63637 |
63975 |
正式营业 |
49433 |
50310 |
50866 |
51262 |
57589 |
60032 |
60139 |
临时营业 |
2686 |
3068 |
3750 |
7394 |
4611 |
3604 |
3836 |
正式营业里程比重 (%) |
94.8 |
94.3 |
93.1 |
87.4 |
92.6 |
94.3 |
94.0 |
复线里程
(公里) |
9989 |
13024 |
16909 |
21408 |
24497 |
25794 |
26599 |
占营业里程比重 (%) |
19.2 |
24.4 |
31.0 |
36.5 |
39.4 |
40.5 |
41.6 |
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电气化铁路里程 (公里) |
4151 |
6941 |
9703 |
14864 |
19408 |
24047 |
25007 |
占营业里程比重 (%) |
8.0 |
13.0 |
17.8 |
25.3 |
31.2 |
37.8 |
39.1 |
内燃牵引里程(公里) |
10822 |
16097 |
24749 |
39497 |
42792 |
39590 |
38968 |
占营业里程比重 (%) |
20.8 |
30.2 |
45.3 |
67.3 |
68.8 |
62.2 |
60.9 |
调度集中里程 (公里) |
1307 |
1169 |
1226 |
1200 |
1828 |
5322 |
5541 |
自动闭塞里程 (公里) |
6921 |
10370 |
12910 |
18318 |
24149 |
26526 |
28100 |
半自动闭塞里程 (公里) |
42625 |
38832 |
40859 |
41695 |
39390 |
38563 |
37337 |
无缝线路里程 (公里) |
10439 |
14644 |
21854 |
29975 |
47965 |
57409 |
62159 |
继电集中车站 (个) |
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3923 |
3849 |
占营业车站比重 (%) |
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70.8 |
63.8 |
计算机联锁车站 (个) |
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1487 |
1888 |
占营业车站比重 (%) |
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26.8 |
31.3 |
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